Gwendolyn Orfan, CRNP
NPI 1538538871ActiveIndividual· Nurse Practitioner· Hagerstown, MD
Nurse Practitioner (CRNP) with Medical Practices of Antietam, LLC, practicing in Hagerstown, Maryland. Their prescriptions cost Medicare Part D more than their services did: $1,872,430 for 2,842 claims, against $56,714 paid for services in 2024. Abbott Laboratories was the largest of 12 companies reporting payments in 2025, $688.92 in all, mostly food and beverage. Lists Berkeley Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1538538871 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | No |
| NPI issued | Sep 16, 2015 |
| Last updated in NPPES | Oct 18, 2021 |
| Certified by provider | Oct 18, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | R150412 | MD |
| Nurse Practitioner | 363L00000X | SP021386 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (MD); Practitioner - Nurse Practitioner (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 255 |
|---|---|
| Services billed | 1,160 across 11 procedure codes |
| Paid by Medicare | $56,714 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,842 · 5,580 30-day fills |
|---|---|
| Patients | 287 |
| Total drug cost | $1,872,430 |
| Generic share | 27% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Medical Practices of Antietam, LLCHagerstown, MD · 234 clinicians
Hospital affiliations
- Berkeley Medical CenterMartinsburg, WV
- Wellspan Chambersburg HospitalChambersburg, PA
- Wellspan Waynesboro HospitalWaynesboro, PA
- Western Maryland Regional Medical CenterCumberland, MD
Industry payments (Open Payments)
- 2025$688.92 · 35 payments from 12 companies
- 2024$828.94 · 32 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $140.80 | 9 |
| Lilly USA, LLC | $135.82 | 9 |
| Medtronic, Inc. | $97.24 | 3 |
| Novo Nordisk Inc | $80.57 | 4 |
| Sanofi-Aventis U.S. LLC | $62.80 | 3 |
What the 2025 payments were for
- Food and Beverage$688.92 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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